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About this item

• Floating pulleys and spring adjustment device realize perfect chain tension.
• Made of high-end high-quality steel, wear-resistant when used.
• Light weight and small size: very light and easy to install.
• Very suitable for mountain bikes, bicycles, BMX, etc.
• Single speed inverter for chain tensioner.

Specification:
Size: 54x26x7.5mm
Material: Steel
Weight: 25g
Packing quantity: 2PCS